77963583804 has 24 divisors (see below), whose sum is σ = 191489504640. Its totient is φ = 24620079024.

The previous prime is 77963583739. The next prime is 77963583829. The reversal of 77963583804 is 40838536977.

It is a super-2 number, since 2×77963583804² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 170972544 + ... + 170972999.

It is an arithmetic number, because the mean of its divisors is an integer number (7978729360).

Almost surely, 2^77963583804 is an apocalyptic number.

It is an amenable number.

77963583804 is an abundant number, since it is smaller than the sum of its proper divisors (113525920836).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

77963583804 is a wasteful number, since it uses less digits than its factorization.

77963583804 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 341945569 (or 341945567 counting only the distinct ones).

The product of its (nonzero) digits is 30481920, while the sum is 60.

The spelling of 77963583804 in words is "seventy-seven billion, nine hundred sixty-three million, five hundred eighty-three thousand, eight hundred four".